A free program for Android, by DNA Mobile Group.

Blocku is a relaxing classic 9×9 grid block puzzle game that will train your brain. Blocku is very easy to play, and even the younger ones can do it! It is a very simple game. You are given the blocks at the bottom of the grid. You need to place them so that they form a straight line or a square. The game ends when you run out of moves. 

The game consists of 3 modes. In the first one, you need to fill the grid with blocks of different shapes. The shapes are given at the bottom of the screen. You need to place them in the grid so that they form a straight line or a square. 

The second mode is similar to the first one. The only difference is that you need to match the blocks instead of placing them. 

The third mode is similar to the first one. The only difference is that you need to place the blocks in the grid so that they form a straight line or a square.